206995140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{104543}}^1$

素因数の和:104569

約数の個数: 72

約数和(自身を含む): 684972288

約数和(自身を除く): 477977148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 104543, 209086, 313629, 418172, 522715, 627258, 940887, 1045430, 1149973, 1254516, 1568145, 1881774, 2090860, 2299946, 3136290, 3449919, 3763548, 4599892, 4704435, 5749865, 6272580, 6899838, 9408870, 10349757, 11499730, 13799676, 17249595, 18817740, 20699514, 22999460, 34499190, 41399028, 51748785, 68998380, 103497570, 206995140]

約数ペア:

[(1, 206995140), (2, 103497570), (3, 68998380), (4, 51748785), (5, 41399028), (6, 34499190), (9, 22999460), (10, 20699514), (11, 18817740), (12, 17249595), (15, 13799676), (18, 11499730), (20, 10349757), (22, 9408870), (30, 6899838), (33, 6272580), (36, 5749865), (44, 4704435), (45, 4599892), (55, 3763548), (60, 3449919), (66, 3136290), (90, 2299946), (99, 2090860), (110, 1881774), (132, 1568145), (165, 1254516), (180, 1149973), (198, 1045430), (220, 940887), (330, 627258), (396, 522715), (495, 418172), (660, 313629), (990, 209086), (1980, 104543)]